Public water system · MS0390015
ActiveMt Zion W/A
At a glance
Mt Zion W/A (PWSID MS0390015) is an active community water system in Lawrence County, Mississippi. It reports serving 400 people through 63 service connections. Its primary water source is purchased groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
400
Service connections
63
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Mt Zion W/A compare with other water systems in Lawrence County?
By EPA's size categories, Mt Zion W/A is a very small system (500 people or fewer). Lawrence County has 11 active public water systems. Its population served is about 64% below the county average of 1,124 people per system, and accounts for 3.2% of the 12,367 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so Mt Zion W/A is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 66 Mississippi systems (5.8%) list purchased groundwater as their primary source.
Who owns and regulates Mt Zion W/A?
EPA lists Mt Zion W/A as under public/private ownership. The MS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 11 active systems in Lawrence County (64%) are also under public/private ownership.
Does Mt Zion W/A have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2025. The violations listed here began between December 2010 and August 2025. By type: 5 monitoring and reporting, 4 monitoring, 1 reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Chlorine (5 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2010-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Mt Zion W/A: frequently asked questions
Who runs Mt Zion W/A?
Mt Zion W/A (PWSID MS0390015) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Mt Zion W/A serve?
Mt Zion W/A reports serving 400 people through 63 service connections in Lawrence County, Mississippi.
Where does Mt Zion W/A get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Mt Zion W/A have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Mt Zion W/A's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Mt Zion W/A's water quality report?
As a community water system, Mt Zion W/A must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Lawrence County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jayess-Topeka-Tilton W/A | Lawrence | 3,450 | Community | Groundwater |
| Lawrence County Water Assn | Lawrence | 2,100 | Community | Groundwater |
| Sontag-Wanilla | Lawrence | 1,484 | Community | Groundwater |
| Town of Monticello | Lawrence | 1,400 | Community | Groundwater |
| Crooked Creek W/A - North | Lawrence | 1,100 | Community | Groundwater |
| Crooked Creek W/A - South | Lawrence | 1,100 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Mt Zion W/A, PWSID MS0390015, Mississippi”, https://aquacensus.com/water-systems/mississippi/mt-zion-w-a-ms0390015 (data as of October 1, 2026).